ThreatExpert's Statistics for not-a-virus:NetTool.Win32.Sniffer.c [Ikarus]:

not-a-virus:NetTool.Win32.Sniffer.c [Ikarus] is also known as:

Threat Alias	Number of Incidents
not-a-virus:NetTool.Win32.Sniffer.c [Kaspersky Lab]	28
Sniff-DaSniff [McAfee]	28
MonitoringTool:Win32/Testsniff [Microsoft]	16
Adware.Gen [Symantec]	4
Mal/Generic-A [Sophos]	4

not-a-virus:NetTool.Win32.Sniffer.c [Ikarus] is known to be created as:

%System%\dk\lam2.exe

%System%\drive\lam2.exe

%System%\mnut\lam2.exe

%System%\ttt\lam2.exe

%Windir%\hasc.exe

Notes:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.